From aac78c214ea953e4d1fcd84943c867395bfc22ec Mon Sep 17 00:00:00 2001
From: Asko Nomm <asko@bien.ee>
Date: Sat, 9 Apr 2022 14:01:31 +0200
Subject: Add full test coverage for code blocks (re #4)

---
 project.clj                                        |  3 +-
 resources/test/parsers/code_block_no_language.md   | 41 ++++++++++++++++++++++
 .../parsers/code_block_no_language_result.html     | 39 ++++++++++++++++++++
 test/clarktown/parsers/code_block_test.clj         |  8 +++--
 4 files changed, 88 insertions(+), 3 deletions(-)
 create mode 100644 resources/test/parsers/code_block_no_language.md
 create mode 100644 resources/test/parsers/code_block_no_language_result.html

diff --git a/project.clj b/project.clj
index 82812a6..f03e1ab 100644
--- a/project.clj
+++ b/project.clj
@@ -6,5 +6,6 @@
   :deploy-repositories [["releases"  {:sign-releases false :url "https://repo.clojars.org"}]
                         ["snapshots" {:sign-releases false :url "https://repo.clojars.org"}]]
   :dependencies [[org.clojure/clojure "1.11.0"]]
-  :plugins [[lein-auto "0.1.3"]]
+  :plugins [[lein-auto "0.1.3"]
+            [lein-cloverage "1.2.3"]]
   :repl-options {:init-ns clarktown.core})
diff --git a/resources/test/parsers/code_block_no_language.md b/resources/test/parsers/code_block_no_language.md
new file mode 100644
index 0000000..dbba1f1
--- /dev/null
+++ b/resources/test/parsers/code_block_no_language.md
@@ -0,0 +1,41 @@
+```
+// Detect horizontal line block
+function isHorizontalLineBlock(block) {
+  return block === "***";
+}
+
+// Render horizontal line block
+function horizontalLineBlock(block) {
+  return `<hr>`;
+}
+
+// Compose an array of parsers
+const parsers = [{
+  matcher: isHorizontalLineBlock,
+  renderers: [horizontalLineBlock]
+}];
+
+// And finally, our parser itself
+function markdownToHTML(markdown) {
+  // Create blocks
+  const blocks = content.split(/\n\n/);
+
+  // Parse blocks
+  const parsedBlocks = blocks.map((block) => {
+    // Let's find a parser that has a matcher that matches
+    const parser = parsers.find((parser) => parser.matcher(block));
+
+    // If match was found, let's run our renderers over `block`
+    if (parser) {
+      for (const renderer of match.renderers) {
+        block = renderer(block);
+      }
+    }
+
+    return block;
+  });
+
+  // And at last, join the blocks together for one big block.
+  return parsedBlocks.join("");
+}
+```
\ No newline at end of file
diff --git a/resources/test/parsers/code_block_no_language_result.html b/resources/test/parsers/code_block_no_language_result.html
new file mode 100644
index 0000000..0512d3e
--- /dev/null
+++ b/resources/test/parsers/code_block_no_language_result.html
@@ -0,0 +1,39 @@
+<pre><code>// Detect horizontal line block
+function isHorizontalLineBlock(block) {
+  return block === "***";
+}
+
+// Render horizontal line block
+function horizontalLineBlock(block) {
+  return `&lt;hr&gt;`;
+}
+
+// Compose an array of parsers
+const parsers = [{
+  matcher: isHorizontalLineBlock,
+  renderers: [horizontalLineBlock]
+}];
+
+// And finally, our parser itself
+function markdownToHTML(markdown) {
+  // Create blocks
+  const blocks = content.split(/\n\n/);
+
+  // Parse blocks
+  const parsedBlocks = blocks.map((block) =&gt; {
+    // Let's find a parser that has a matcher that matches
+    const parser = parsers.find((parser) =&gt; parser.matcher(block));
+
+    // If match was found, let's run our renderers over `block`
+    if (parser) {
+      for (const renderer of match.renderers) {
+        block = renderer(block);
+      }
+    }
+
+    return block;
+  });
+
+  // And at last, join the blocks together for one big block.
+  return parsedBlocks.join("");
+}</code></pre>
\ No newline at end of file
diff --git a/test/clarktown/parsers/code_block_test.clj b/test/clarktown/parsers/code_block_test.clj
index 20b69aa..8b1113d 100644
--- a/test/clarktown/parsers/code_block_test.clj
+++ b/test/clarktown/parsers/code_block_test.clj
@@ -6,6 +6,10 @@
 
 
 (deftest code-block-test
-  (testing "Code block"
+  (testing "Code block with language specification"
     (is (= (slurp (io/file (io/resource "test/parsers/code_block_result.html")))
-           (code-block/render (slurp (io/file (io/resource "test/parsers/code_block.md"))) nil)))))
\ No newline at end of file
+           (code-block/render (slurp (io/file (io/resource "test/parsers/code_block.md"))) nil))))
+
+  (testing "Code block with NO language specification"
+    (is (= (slurp (io/file (io/resource "test/parsers/code_block_no_language_result.html")))
+           (code-block/render (slurp (io/file (io/resource "test/parsers/code_block_no_language.md"))) nil)))))
\ No newline at end of file
-- 
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